--- libaitmqtt/inc/aitmqtt.h 2013/05/30 09:18:33 1.3 +++ libaitmqtt/inc/aitmqtt.h 2022/09/12 23:15:37 1.3.4.5 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitmqtt.h,v 1.3 2013/05/30 09:18:33 misho Exp $ +* $Id: aitmqtt.h,v 1.3.4.5 2022/09/12 23:15:37 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 +Copyright 2004 - 2022 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -49,10 +49,12 @@ SUCH DAMAGE. #define MAX_CONNID 24 #define MAX_CRED 13 -#define MQTTMSG_MAX 65529 +#define MQTTMSG_MAX 65535 +#define MQTTMSG_BIN_MAX 65535 #define MQTT_DATA_MAX 268435455 #define MQTT_PROTO_VER 3 +#define MQTT_PROTO_DEFVER 5 #define MQTT_KEEPALIVE 10 #define MQTT_DEFAULT_MSGID 0xDEBA @@ -69,27 +71,29 @@ struct mqtthdr { unsigned char val; } mqtt_msg; unsigned char mqtt_len[1]; /* may be grow to 4 bytes */ -} __packed; -#define MQTTHDR_MSGINIT(x) (assert((x)), (x)->mqtt_msg.val ^= (x)->mqtt_msg.val) +} __attribute__((packed)); +#define MQTTHDR_MSGINIT(x) (assert((x)), (x)->mqtt_msg.val ^= (x)->mqtt_msg.val, *mqtt_len = 0) #define MQTTHDR_DATA_SIZEOF(x) (assert((x)), mqtt_decodeLen((x)->mqtt_len, NULL)) #define MQTT_TYPE_UNKNOWN 0 /* reserved */ -#define MQTT_TYPE_CONNECT 1 /* client request to connect to server */ -#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment */ -#define MQTT_TYPE_PUBLISH 3 /* publish message */ -#define MQTT_TYPE_PUBACK 4 /* publish acknowledgment */ -#define MQTT_TYPE_PUBREC 5 /* publish received (assured delivery part 1) */ -#define MQTT_TYPE_PUBREL 6 /* publish release (assured delivery part 2) */ -#define MQTT_TYPE_PUBCOMP 7 /* publish complete (assured delivery part 3) */ -#define MQTT_TYPE_SUBSCRIBE 8 /* client subscribe request */ -#define MQTT_TYPE_SUBACK 9 /* subscribe acknowledgment */ -#define MQTT_TYPE_UNSUBSCRIBE 10 /* client unsubscribe request */ -#define MQTT_TYPE_UNSUBACK 11 /* unsubscribe acknowledgment */ -#define MQTT_TYPE_PINGREQ 12 /* PING request */ -#define MQTT_TYPE_PINGRESP 13 /* PING response */ -#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting */ -#define MQTT_TYPE_MAX 15 /* reserved */ +#define MQTT_TYPE_CONNECT 1 /* client request to connect to server (CLI) */ +#define MQTT_TYPE_CONNACK 2 /* connect acknowledgment (SRV) [ret_no_data] */ +#define MQTT_TYPE_PUBLISH 3 /* publish message [ret_is_optional] */ +#define MQTT_TYPE_PUBACK 4 /* publish acknowledgment [ret_no_data] */ +#define MQTT_TYPE_PUBREC 5 /* publish received (assured delivery part 1) [ret_no_data] */ +#define MQTT_TYPE_PUBREL 6 /* publish release (assured delivery part 2) [ret_no_data] */ +#define MQTT_TYPE_PUBCOMP 7 /* publish complete (assured delivery part 3) [ret_no_data] */ +#define MQTT_TYPE_SUBSCRIBE 8 /* client subscribe request (CLI) */ +#define MQTT_TYPE_SUBACK 9 /* subscribe acknowledgment (SRV) */ +#define MQTT_TYPE_UNSUBSCRIBE 10 /* client unsubscribe request (CLI) */ +#define MQTT_TYPE_UNSUBACK 11 /* unsubscribe acknowledgment (SRV) */ +#define MQTT_TYPE_PINGREQ 12 /* PING request (CLI) [ret_no_data] */ +#define MQTT_TYPE_PINGRESP 13 /* PING response (SRV) [ret_no_data] */ +#define MQTT_TYPE_DISCONNECT 14 /* client is disconnecting [ret_no_data] */ +#define MQTT_TYPE_AUTH 15 /* authentication exchange [ret_no_data] */ +#define MQTT_TYPE_MAX 15 + #define MQTT_FLAG_DUP 1 /* This flag is set when the client or server attempts to re-deliver a PUBLISH, PUBREL, SUBSCRIBE or UNSUBSCRIBE message. This applies to messages where the value of QoS is greater than @@ -143,7 +147,55 @@ struct mqtthdr { #define MQTT_RETCODE_REFUSE_USERPASS 4 #define MQTT_RETCODE_DENIED 5 +/* REASON CODES */ +#define MQTT_REASON_OK 0x0 /* CONNACK, PUBACK, PUBREC, PUBREL, PUBCOMP, UNSUBACK, AUTH, DISCONNECT, SUBACK */ +#define MQTT_REASON_QOS1 0x1 /* SUBACK */ +#define MQTT_REASON_QOS2 0x2 /* SUBACK */ +#define MQTT_REASON_DWILL 0x4 /* DISCONNECT */ +#define MQTT_REASON_NOMATCH 0x10 /* PUBACK, PUBREC */ +#define MQTT_REASON_NOSUBEXIST 0x11 /* UNSUBACK */ +#define MQTT_REASON_CONTAUTH 0x18 /* AUTH */ +#define MQTT_REASON_REAUTH 0x19 /* AUTH */ + +/* REASON ERROR CODES */ + +#define MQTT_REASON_ERROR 0x80 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */ +#define MQTT_REASON_MALFORMPKT 0x81 /* CONNACK, DISCONNECT */ +#define MQTT_REASON_PROTOERR 0x82 /* CONNACK, DISCONNECT */ +#define MQTT_REASON_IMPLSPECERR 0x83 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */ +#define MQTT_REASON_UNSUPVERPROTO 0x84 /* CONNACK */ +#define MQTT_REASON_CLINOVALID 0x85 /* CONNACK */ +#define MQTT_REASON_BADUSERPASS 0x86 /* CONNACK */ +#define MQTT_REASON_NOAUTH 0x87 /* CONNACK, PUBACK, PUBREC, SUBACK, UNSUBACK, DISCONNECT */ +#define MQTT_REASON_SRVUNAVAIL 0x88 /* CONNACK */ +#define MQTT_REASON_SRVBUSY 0x89 /* CONNACK, DISCONNECT */ +#define MQTT_REASON_BANNED 0x8A /* CONNACK */ +#define MQTT_REASON_SRVSHUTDOWN 0x8B /* DISCONNECT */ +#define MQTT_REASON_BADAUTHMETHOD 0x8C /* CONNACK, DISCONNECT */ +#define MQTT_REASON_KEEPALIVETO 0x8D /* DISCONNECT */ +#define MQTT_REASON_SESTAKEOVER 0x8E /* DISCONNECT */ +#define MQTT_REASON_TOPICFLTINVAL 0x8F /* SUBACK, UNSUBACK, DISCONNECT */ +#define MQTT_REASON_TOPICNAMEINV 0x90 /* CONNACK, PUBACK, PUBREC, DISCONNECT */ +#define MQTT_REASON_PKTIDINUSE 0x91 /* PUBACK, PUBREC, SUBACK, UNSUBACK */ +#define MQTT_REASON_PKTIDNOTFOUND 0x92 /* PUBREL, PUBCOMP */ +#define MQTT_REASON_RCVMAXEXCEED 0x93 /* DISCONNECT */ +#define MQTT_REASON_TOPICALIASINV 0x94 /* DISCONNECT */ +#define MQTT_REASON_PKTTOOLARGE 0x95 /* CONNACK, DISCONNECT */ +#define MQTT_REASON_MSGRATETOHIGH 0x96 /* DISCONNECT */ +#define MQTT_REASON_QUOTAEXCEED 0x97 /* CONNACK, PUBACK, PUBREC, SUBACK, DISCONNECT */ +#define MQTT_REASON_ADMINACTION 0x98 /* DISCONNECT */ +#define MQTT_REASON_PAYLOADFMTINV 0x99 /* CONNACK, PUBACK, PUBREC, DISCONNECT */ +#define MQTT_REASON_RETAINNOTSUP 0x9A /* CONNACK, DISCONNECT */ +#define MQTT_REASON_QOSNOTSUP 0x9B /* CONNACK, DISCONNECT */ +#define MQTT_REASON_USENEXTSRV 0x9C /* CONNACK, DISCONNECT */ +#define MQTT_REASON_SRVMOVED 0x9D /* CONNACK, DISCONNECT */ +#define MQTT_REASON_SHARSUBNOTSUP 0x9E /* SUBACK, DISCONNECT */ +#define MQTT_REASON_CONRATEEXCEED 0x9F /* CONNACK, DISCONNECT */ +#define MQTT_REASON_MAXCONNTIME 0xA0 /* DISCONNECT */ +#define MQTT_REASON_SUBIDNOTSUP 0xA1 /* SUBACK, DISCONNECT */ +#define MQTT_RESON_WILDSUBNOTSUP 0xA2 /* SUBACK, DISCONNECT */ + /* MQTT Message buffer */ typedef struct { @@ -170,7 +222,7 @@ typedef struct { typedef struct { mqtt_len_t var_sb; unsigned char var_data[0]; -} __packed mqtthdr_var_t; +} __attribute__((packed)) mqtthdr_var_t; #define MQTTHDR_VAR_SIZEOF(x) (assert((x)), sizeof(mqtt_len_t) + ntohs((x)->var_sb.val)) typedef unsigned char mqtthdr_protover_t; @@ -186,12 +238,12 @@ typedef union { username:1; }; unsigned char flags; -} __packed mqtthdr_connflgs_t; +} __attribute__((packed)) mqtthdr_connflgs_t; typedef struct { unsigned char reserved; unsigned char retcode; -} __packed mqtthdr_connack_t; +} __attribute__((packed)) mqtthdr_connack_t; // -------------------------------------------------------